Fix non-standard modifers of printf in gc (#77627)

src/coreclr/gc/CMakeLists.txt

@@ -96,7 +96,7 @@ if(CLR_CMAKE_HOST_WIN32)
     ${STATIC_MT_VCRT_LIB}
     kernel32.lib
     advapi32.lib)
-endif(CLR_CMAKE_HOST_WIN32)  
+endif(CLR_CMAKE_HOST_WIN32)
 
 set (GC_LINK_LIBRARIES ${GC_LINK_LIBRARIES} gc_pal)
 
@@ -109,11 +109,6 @@ add_dependencies(clrgc eventing_headers)
 target_link_libraries(clrgc ${GC_LINK_LIBRARIES})
 install_clr(TARGETS clrgc DESTINATIONS . COMPONENT runtime)
 
-if(CLR_CMAKE_HOST_UNIX)
-  # dprintf causes many warnings (https://github.com/dotnet/runtime/issues/8737)
-  add_compile_options(-Wno-format)
-endif(CLR_CMAKE_HOST_UNIX)
-
 add_definitions(-DBUILD_AS_STANDALONE)
 add_definitions(-DFX_VER_INTERNALNAME_STR=clrgc.dll)
 add_definitions(-DVERIFY_HEAP)

src/coreclr/gc/gcee.cpp

@@ -157,7 +157,7 @@ void GCHeap::UpdatePostGCCounters()
     FIRE_EVENT(GCEnd_V1, static_cast<uint32_t>(pSettings->gc_index), condemned_gen);
 
 #ifdef SIMPLE_DPRINTF
-    dprintf (2, ("GC#%d: 0: %Id(%Id); 1: %Id(%Id); 2: %Id(%Id); 3: %Id(%Id)",
+    dprintf (2, ("GC#%zu: 0: %zu(%zu); 1: %zu(%zu); 2: %zu(%zu); 3: %zu(%zu)",
         (size_t)pSettings->gc_index,
         g_GenerationSizes[0], g_GenerationPromotedSizes[0],
         g_GenerationSizes[1], g_GenerationPromotedSizes[1],

src/coreclr/gc/gcpriv.h

@@ -3088,7 +3088,7 @@ protected:
 
         void print()
         {
-            dprintf (3, ("last plug: %Ix, last plug reloc: %Ix, before last: %Ix, b: %Ix",
+            dprintf (3, ("last plug: %p, last plug reloc: %zu, before last: %p, b: %zu",
                 last_plug, last_plug_relocation, before_last_plug, current_compacted_brick));
         }
     };